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Cushion|Natural|GIA

0.90ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6555931943

Certificate GIA 6555931943

Diamond specifications and retailer prices

From $1,660 SGD
A$1,998 AUD
As of November 2, 2026
4 retailers carry this diamond
Most expensive: $1,660 SGD at GemTrove
View at GemTrove

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555931943. Listed at 4 retailers as of November 2, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.90
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555931943
Dimensions5.48 × 5.44 × 3.58 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
5.48 mm5.44 mm0.90 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555931943
Side View
Table 65.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,660 SGD|Low: $1,229 SGD|High: $1,660 SGD|Avg: $1,367 SGD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 13, 2026
Retailer 5$1,229 SGD
Retailer 2$1,241 SGD
Retailer 4$1,288 SGD
Retailer 3$1,400 SGD
GemTrove$1,660 SGD

19 data points across 5 retailers

4 retailers

Retailer 1
-
$1,229 SGD
$961 USD
Price last confirmed 27 days ago
Retailer 2
-
$1,241 SGD
£764 GBP
View
Price last confirmed 20 days ago
Retailer 3
-
$1,288 SGD
View
Price last confirmed 21 days ago
Most Expensive
B+
GemTrove
GT-N-00963266-98 · Nov 2
$1,660 SGD
A$1,998 AUD
View
3 more retailers have this diamond

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.90ct Cushion
$1,660 SGD